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Here’s how WhatsApp will make money

Now, businesses will be able to craft Facebook ads that link out to WhatsApp chat interface so if customers like a particular Facebook ad, they can more easily message the company responsible for the advertisement.

WhatsApp has made the group calling feature available on the platform after Facebook first announced the feature at its F8 2018 conference in May 2018.

The app will allow businesses to send out messages to customers and to automate sales or queries, giving companies access to a potential base of WhatsApp's 1.5 billion users.

Start a conversation: You may see a click-to-chat button on a website or Facebook ad to quickly message a business. The monetization plans are similar to what Facebook has done with Instagram's Stories feature, in that the ads displayed on WhatsApp's status feature "will be powered by Facebook's advertising system", the Journal noted. But with both the original creators out of the picture, it looks like Facebook is finally trying to make some money out of it.

An announcement on the WhatsApp blog covering the new API says that users will be able to block any business and have full control over the messages they receive. WhatsApp will charge for messages sent by the business outside of the 24-hour window. It also reported WhatsApp is now working with a select number of companies that specialize in managing customer communications to bring the API to more businesses over a period of time.

The company said all group calls would be encrypted.

Importantly for Facebook, though, the expansion of WhatsApp Business also expands WhatsApp's ability to make money off its most popular messaging app. Profits will also likely be hit by costly investments to address the problems.